On Wed, Mar 9, 2011 at 12:51 PM, Jeremy Chadwick <free...@jdc.parodius.com> wrote: > > Otherwise, I can imagine that prefetching could cause what you describe, > which is enabled by default in 8.0 and 8.1 and auto-disables in 8.2 if > the amount of available memory is less than 4GB. >
I don't think this is accurate. Prefetch was certainly disabled by default on 8.0 if you had 4GB of RAM or less, requiring the sysctl vfs.zfs.prefetch_disable=0 to be set if you wanted prefetch and had 4GB of RAM or less. Cheers Tom _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"